2017

7.2

2006

8.0

1997

7.9

1969

7.1

1959

7.9

2001

6.9

1979

7.7

1977

7.7

1968

7.1

1931

8.3

1989

7.7

1925

8.0

2002

7.2

2008

5.5

1994

7.0

2006

7.1

2006

7.3

2024

6.5

2016

6.6

2013

5.4